remove sed #26

Job	Run time
generate_matrix	1m 4s
update_flake	52s
build_images (x86_64, linux, server, proxmox)	16m 40s
check_flake	3m 53s
build_images (x86_64, linux, server, raw-efi)	16m 14s
build_images (x86_64, linux, server, iso)	45m 50s
build_images (x86_64, linux, bri, proxmox)	4m 41s
build_images (x86_64, linux, bri, raw-efi)	4m 7s
build_images (x86_64, linux, bri, iso)	44m 7s
build_flake (cb)	58s
build_flake (pyEnv)	1m 1s
build_flake (sysdo)	1m 1s
push_update	0s
	2h 20m 28s

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